sorry dude, but this is just retarded. U want your test solved... ok, but firt get a fizics or mechanics book, get the formulas you require to calculate what you need and that's it. You just have to call a few function and add a couple of numbers. This is about programming not mechanics :|

Figure out the exact formula you need to have, what the exact inputs are, and what you want as output. You need to figure out the physics angle of this first and work it out on paper mathematically before you even think about trying to code it in C++. Presumably there is some physics formula or series of physics formulas that you need to derive or already have that solves this. Any formula has inputs and outputs. When you make the function, your inputs will be the parameters passed to the function and your output is going to be what is returned from the function. You could also use global constants for things that don't change (i.e. g, the gravitational acceleration constant, assuming you are ALLOWED to keep that as a constant). So first step, what assumptions can you make (i.e. flat earth, no wind resistance, constant gravitational acceleration, etc.), what do you need to know to solve it, and what are the formulas? Next step, work it out mathematically on paper. Final step, turn the math into a computer function.

Hi. so this is actually a continuation from another question of mine[Here](https://www.daniweb.com/programming/software-development/threads/506795/dynamically-add-values-into-datagridview-cell-from-listbox-vb2010) but i was advised to start a new thread as the original question …

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